Fatal error: Uncaught Error: Class 'Symfony\Component\Finder\Adapter\AbstractAdapter' not found in /home/app3/public_html/service/vendor/symfony/finder/Adapter/PhpAdapter.php:21 Stack trace: #0 {main} thrown in /home/app3/public_html/service/vendor/symfony/finder/Adapter/PhpAdapter.php on line 21